| Clofarabine Degradant Impurity 2 | 1140251-30-4 | Ax-IMP2437 |
| Clofarabine Degradant Impurity 1 | 1140251-36-0 | Ax-IMP2436 |
| Roflumilast Process Impurity 1 | 913985-07-6 | Ax-IMP2434 |
| Roflumilast Process Impurity 2 | 1401228-67-8 | Ax-IMP2435 |
| 3-O-Decyclopropyl Roflumilast | 1391052-76-8 | Ax-IMP2433 |
| Aripirprazole Intermediate | 952308-47-3 | Ax-IMP2429 |
| Amiloride Impurity 1 | 76599-74-1 | Ax-IMP2431 |
| Amiloride Process Impurity 1 | 76599-75-2 | Ax-IMP2432 |
| D-alaninamide hydrochloride | 71810-97-4 | Ax-474 |
| Alanine amide | 4726-84-5 | Ax-473 |